Abstract
Galls on Brazilian ferns: new records and notes.
Highlights
Galls are abnormal growths of plant tissues generated from processes of hyperplasia and cellular hypertrophy, induced especially by insects and mites
Only 16 fern species have been recorded as galls hosts in Brazil
The other two records to Hymenophyllum fill the gap on the geographic distribution, not recorded in the seminal work performed by Houard (1933)
Summary
Galls are abnormal growths of plant tissues generated from processes of hyperplasia and cellular hypertrophy, induced especially by insects and mites (detailed definition in Raman, 2007). Only 16 fern species have been recorded as galls hosts in Brazil (see synopsis in Santos and Maia, 2018). The ten host ferns here cataloged are represented by three families (Gleicheniaceae, Hymenophyllaceae and Polypodiaceae) and five genera (Dicranopteris, Hymenophyllum, Campyloneurum, Niphidium and Pleopeltis, Table 1).
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